Orienting Sense - Orienting Sense The sense of equilibrium...

1 Orienting Sense Fish in water … The sense of equilibrium and balance http://www.hummingbirds.net/gallery.html birds in air … … and mammals on ground all keep their equilibrium. 2 Vestibular Apparatus Three Semicircular Canals Sensory organ that senses gravity and acceleration. 3 Anatomy The three semicircular canals and the two sacs utricle and saccule are connected. Filled with endolymph they sense linear motion and postural tilts from neck, pelvis and ankles.

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